Untitled

'use strict'
/**
 * Reflection question 1
 */

const imported = require('./inventory.js')
// console.log(imported.inventory['Sallad'])

// let names = Object.keys(imported.inventory)
// names.forEach(name => console.log(name))

console.log('Object.keys():')
let names = Object.keys(imported.inventory)
names
  .sort((a, b) => a.localeCompare(b, 'sv', { sensitivity: 'case' }))
  .forEach(name => console.log(name))

/**
 * Reflection question 2
 */

console.log('\n--- Assignment 1 ---------------------------------------')

const makeOptions = (inventory, filter) => {
  let names = Object.keys(inventory)
  return names
    .filter(name => inventory[name][filter])
    .map(
      name =>
        `<option value="${name}"> ${name}, ${inventory[name].price} kr</option>`
    )
    .join('\n')
}

console.log(makeOptions(imported.inventory, 'foundation'))

console.log('\n--- Assignment 2 ---------------------------------------')
class Salad {
  static counter = 0
  constructor() {
    const _uuid = `salad_${Salad.counter++}`
    this.uuid = function () {
      return _uuid
    }
    this.ingredients = {}
  }
  add(name, properties) {
    this.ingredients[name] = properties
    return this
  }
  remove(name) {
    delete this.ingredients[name]
    return this
  }
  //   getPrice() {
  //     return Object.keys(this.ingredients)
  //       .map(name => this.ingredients[name].price)
  //       .reduce((a, b) => a + b)
  //   }
  //   count(component) {
  //     return Object.keys(this.ingredients).filter(
  //       name => this.ingredients[name][component]
  //     ).length
  //   }
}

let myCaesarSalad = new Salad()
  .add('Sallad', imported.inventory['Sallad'])
  .add('Kycklingfilé', imported.inventory['Kycklingfilé'])
  .add('Bacon', imported.inventory['Bacon'])
  .add('Krutonger', imported.inventory['Krutonger'])
  .add('Parmesan', imported.inventory['Parmesan'])
  .add('Ceasardressing', imported.inventory['Ceasardressing'])
  .add('Gurka', imported.inventory['Gurka'])
console.log(JSON.stringify(myCaesarSalad) + '\n')
myCaesarSalad.remove('Gurka')
console.log(JSON.stringify(myCaesarSalad) + '\n')
console.log('\n--- Assignment 3 ---------------------------------------')

Salad.prototype.getPrice = function () {
  return Object.keys(this.ingredients)
    .map(name => this.ingredients[name].price)
    .reduce((a, b) => a + b)
}
Salad.prototype.count = function (component) {
  return Object.keys(this.ingredients).filter(
    name => this.ingredients[name][component]
  ).length
}

console.log('En ceasarsallad kostar ' + myCaesarSalad.getPrice() + 'kr')
// En ceasarsallad kostar 45kr
console.log(
  'En ceasarsallad har ' + myCaesarSalad.count('extra') + ' tillbehör'
)
// En ceasarsallad har 3 tillbehör

// reflection question 3
console.log('typeof Salad: ' + typeof Salad)
console.log('typeof Salad.prototype: ' + typeof Salad.prototype)
console.log(
  'typeof Salad.prototype.prototype: ' + typeof Salad.prototype.prototype
)
console.log('typeof myCaesarSalad: ' + typeof myCaesarSalad)
console.log('typeof myCaesarSalad.prototype: ' + typeof myCaesarSalad.prototype)
console.log(
  'check 1: ' + (Salad.prototype === Object.getPrototypeOf(myCaesarSalad))
)
console.log(
  'check 2: ' + (Object.prototype === Object.getPrototypeOf(Salad.prototype))
)

console.log('\n--- Assignment 4 ---------------------------------------')
class GourmetSalad extends Salad {
  add(name, properties, size) {
    if (size) {
      const newSize = this.ingredients[name]
        ? this.ingredients[name].size + size
        : size
      const price = properties.price * newSize
      super.add(name, {
        ...properties,
        size: newSize,
        price,
      })
    } else {
      super.add(name, properties)
    }
    return this
  }
  remove(name) {
    super.remove(name)
    return this
  }
}
let myGourmetSalad = new GourmetSalad()
  .add('Sallad', imported.inventory['Sallad'], 0.5)
  .add('Kycklingfilé', imported.inventory['Kycklingfilé'], 2)
  .add('Bacon', imported.inventory['Bacon'], 0.5)
  .add('Krutonger', imported.inventory['Krutonger'])
  .add('Parmesan', imported.inventory['Parmesan'], 2)
  .add('Ceasardressing', imported.inventory['Ceasardressing'])
console.log(
  'Min gourmetsallad med lite bacon kostar ' + myGourmetSalad.getPrice() + ' kr'
)
// console.log(myGourmetSalad)
myGourmetSalad.add('Bacon', imported.inventory['Bacon'], 1)
console.log('Med extra bacon kostar den ' + myGourmetSalad.getPrice() + ' kr')

console.log('\n--- Assignment 5 ---------------------------------------')
Object.defineProperty(myGourmetSalad, 'quantity', {
  get() {
    return 1
  },
  set(v) {},
})
console.log('Min gourmetsallad har uuid: ' + myGourmetSalad.uuid())
console.log('myGourmetSalad.quantity: ' + myGourmetSalad.quantity)
myGourmetSalad.quantity = 4
console.log(
  'myGourmetSalad.quantity (after change): ' + myGourmetSalad.quantity
)
console.log(`Salad.counter: ${Salad.counter}`)
console.log(`Salad.prototype.counter: ${Salad.prototype.counter}`)

/**
 * Reflection question 4
 */
/**
 * Reflection question 5
 */
/**
 * Reflection question 6
 */